Terrestrial Planets
Gas Giants
Atmospheres
Similarities in Planets
Other Cool Planet Stuff
100

This is the only planet known to have life existing on it.

What is Earth?

100

This planet rotates sideways at a 98 degree angle.

What is Uranus?

100

Venus became a runaway planet due to the extreme presence of these gases.

What are greenhouse gases?

100

One reason the planets are considered planets is because they orbit this object.

What is The Sun?

100

Venus is one of the two planets that spins in the opposite direction of most planets, the other one is this planet.

What is Uranus?

200

This is the hottest planet of our Solar System

What is Venus?

200

This planet could "float" in water due to the concept of density.

What is Saturn?

200

Our atmosphere is composed mostly of this compound/element.

What is nitrogen?

200

The most related planet to Earth is this planet.

What is Venus?
200

Ganymede, Callisto, Io, and Europa are in a special set of moons called this.

What are the Galilean Moons?

300

Valles Marineris is to valley as Olympus Mons is to ________

What is a mountain?

300

The gas giants have another name to them, the ______ planets because of their similarity to Jupiter.

What are the Jovian planets?

300

The gas giants have atmospheres composed of mostly ______ and then helium.

What is hydrogen?

300

Because of their composition, these planets are also known as "ice giants"

What are Neptune and Uranus?

300

Because of ________, massive planets will turn into the shape of a sphere.

What is gravity?

400

The reason why we are interested in living on Mars is due to this.

What are polar ice caps/ice water?

400

The highest speed of wind recorded on this planet is nearly 1.5 times that of sound.

What is Neptune?

400

Earth's current atmosphere is not the first atmosphere, but it is the ______ atmosphere that has existed.

What is third?
400

Except for this planet, every planet in the Solar System is named after a Roman god.

What is Earth?

400

Although before a planet, Pluto is no longer one because it fails to meet this criteria established by the IAU.

What is clearing its orbit/not being gravitationally dominant?

500

These are the lines that you see on Mercury that are not seen on other planets and caused the planet's size to shrink.

What are scarps?

500

This planet has a very powerful magnetic field that is supported by it's super fast rate of rotation.

What is Jupiter?

500

The reason why the upper atmosphere of Jupiter is hot is because of these "lights" that come from magnetism.

What are auroras?

500

The gas giants all have large spots on them, which in reality are _______

What are storms?

500

As of right now, there are this many known rings to exist on Saturn.

What is 7?

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